Improper access control in PHICOMM products - CVE-2022-25218
Published: March 9, 2022
Vulnerability identifier: #VU61204
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-25218
CWE-ID: CWE-284
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: PHICOMM
Affected software:
K2
K3
K3C
K2 A7
K2G A1
K2
K3
K3C
K2 A7
K2G A1
Detailed vulnerability description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to the use of the RSA algorithm without OAEP or any other padding scheme in telnetd_startup. A remote attacker on the local network can manipulate the various iterations of the telnetd startup state machine and eventually obtain a root shell on the device.
How to mitigate CVE-2022-25218
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.